{"product_id":"dorman-m390367-brake-master-cylinder","title":"Dorman M390367 Brake Master Cylinder","description":"\u003ch2\u003eReliable Brake Master Cylinder for Toyota 4Runner\u003c\/h2\u003e\u003cp\u003eThe Dorman M390367 brake master cylinder is designed specifically for Toyota 4Runner models, providing precise hydraulic control for your vehicle's braking system. Engineered with durable aluminum and equipped with essential features, this master cylinder ensures consistent brake performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaster cylinder bore diameter: 1 inch for accurate hydraulic pressure\u003c\/li\u003e\n\u003cli\u003eConstructed from lightweight, corrosion-resistant aluminum\u003c\/li\u003e\n\u003cli\u003eIncludes reservoir for brake fluid management\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor for monitoring brake system status\u003c\/li\u003e\n\u003cli\u003eTwo outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0\u003c\/li\u003e\n\u003cli\u003eSecondary outlet thread diameter of 10 mm\u003c\/li\u003e\n\u003cli\u003ePackage contains the master cylinder only; mounting hardware not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman M390367 brake master cylinder features a 1-inch bore diameter, which is critical for maintaining proper hydraulic pressure within the brake system of Toyota 4Runner vehicles. Its aluminum construction offers a balance of strength and corrosion resistance, contributing to long-term durability. The included reservoir allows for efficient brake fluid storage and management, while the integrated sensor provides real-time monitoring of brake system conditions. This master cylinder has two outlets, including a rearward outlet sized M10 x 1.0 with a thread pitch of 1.0, and a secondary outlet thread diameter of 10 mm, ensuring compatibility with the vehicle's brake lines. Note that mounting hardware is not included with this part.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper brake hydraulic pressure for Toyota 4Runner models\u003c\/li\u003e\n\u003cli\u003eReplaces worn or leaking master cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eResolves brake pedal sponginess or sinking issues\u003c\/li\u003e\n\u003cli\u003eAddresses brake warning light activation due to sensor faults\u003c\/li\u003e\n\u003cli\u003eImproves overall brake system responsiveness and safety\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman M390367 brake master cylinder requires careful attention to brake line connections and sensor wiring. Since mounting hardware is not included, retain or source appropriate fasteners for secure installation. Bleeding the brake system thoroughly after installation is essential to remove air and ensure optimal brake performance. It is recommended to consult the Toyota 4Runner service manual for torque specifications and detailed installation procedures.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation under normal driving conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components. Verify warranty coverage with the product documentation or supplier.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43792157868213,"sku":"BKKX-M390367","price":131.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_M390367_Fro.jpg?v=1774997577","url":"https:\/\/www.partcatalog.com\/products\/dorman-m390367-brake-master-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}